Akebia

Akebia quinata (Five-leaf Akebia )

Albizia

Albizia julibrissin 'Summer Chocolate' (Summer Chocolate Silk Tree)

Asimina

Asimina triloba (Common Pawpaw )

Aucuba

Aucuba japonica (Japanese Aucuba )

Bauhinia

Bauhinia variegata (Orchid Tree )

Calycanthus

Calycanthus × 'Aphrodite' (Aphrodite Sweetshrub)
Calycanthus occidentalis (Western Spicebush )

Cercis

Cercis canadensis 'Forest Pansy' (Forest Pansy Redbud)
Cercis chinensis 'Avondale' (Avondale Chinese Redbud)
Cercis occidentalis (Western Redbud )
Cercis siliquastrum (Judus Tree )

Clematis

Clematis (hybrid) (Hybrid Clematis)
Clematis viticella (Italian Clematis)
Clematis viticella 'Polish Spirit' (Polish Spirit Italian Clematis)

Cotinus

Cotinus coggygria 'Royal Purple' (Royal Purple Smoketree)
Cotinus obovatus (American Smoketree )

Daboecia

Daboecia cantabrica (Irish Heath )

Daphne

Daphne mezereum (February Daphne )
Daphne odora 'Mae-Jima' (Mae-Jami Winter Daphne)

Daphniphyllum

Daphniphyllum macropodum (False Daphne )

Dermatophyllum

Dermatophyllum secundiflorum (Mescal Bean )
Dermatophyllum secundiflorum 'Silver Peso' (Silver Peso Mescal Bean )

Disanthus

Disanthus cercidifolius (Redbud Hazel)

Encelia

Encelia farinosa (Brittlebush )

Erica

Erica carnea (Spring Heath )

Fraxinus

Fraxinus americana (White Ash )
Fraxinus excelsior (Euopean Ash )
Fraxinus pennsylvanica (Green Ash)
Fraxinus pennsylvanica Urbanite® (Urbanite Green Ash)

Hebe

Hebe 'Wiri Joy' (Wiri Joy Hebe)

Kalmia

Kalmia polifolia (Bog Laurel )

Lagerstroemia

Lagerstroemia (hybrid) (Hybrid Crape Myrtle)
Lagerstroemia indica (Common Crape Myrtle )
Lagerstroemia indica Petite Plum® (Petite Plum Crape Myrtle)

Leycesteria

Leycesteria formosa (Pheasant-eye )

Lonicera

Lonicera tatarica (Tatarian Honeysuckle )

Loropetalum

Loropetalum chinense var. rubrum (Pink-flowering Fringe-flower )

Magnolia

Magnolia Black Tulip™ (Black Tulip Magnolia)
Magnolia 'Galaxy' (Galaxy Magnolia)
Magnolia 'Randy' (Randy Magnolia)
Magnolia 'Star Wars' (Star Wars Magnolia)
Magnolia liliiflora (Lily Magnolia)
Magnolia × soulangeana (Saucer Magnolia)

Nerium

Nerium oleander (Oleander)

Olneya

Olneya tesota (Ironwood)

Pittosporum

Pittosporum tenuifolium (Tawhiwhi )
Pittosporum tenuifolium 'Marjorie Channon' (Marjorie Channon Pittosporum )
Pittosporum tenuifolium 'Silver Sheen' (Silver Sheen Pittosporum )

Rhododendron (defines evaluations)

Rhododendron 'Blue Peter' (Blue Peter Rhododendron)
Rhododendron 'Catawbiense Boursault' (Catawbiense Boursault Rhododendron)
Rhododendron 'Crater Lake' (Crater Lake Rhododendron)
Rhododendron 'Daphnoides' (Daphnoides Rhododendron)
Rhododendron 'Girard's Purple' (Girard's Purple Azalea)
Rhododendron 'Hallelujha' (Hallelujah Rhododendron)
Rhododendron 'Hardijzer Beauty' (Hardijzer Beauty Azaleodendron )
Rhododendron 'Hinode Giri' (Hinode Giri Azalea)
Rhododendron 'Lee's Dark Purple' (Lee's Dark Purple Rhododendron)
Rhododendron 'Pioneer Silvery Pink' (Pioneer Silvery Pink Rhododendron)
Rhododendron 'Purple Splendor' (Purple Splendor Azalea)
Rhododendron 'Purple Splendour' (Purple Splendour Rhododendron)
Rhododendron 'Sappho' (Sappho Rhododendron)
Rhododendron catawbiense (Catawba Rhododendron)
Rhododendron concinnum (Concinnum Rhododendron)
Rhododendron hippophaeoides var. hippophaeoides (Hippophaeoides Rhododendron)
Rhododendron hodgsonii (Hodgson Rhododendron)
Rhododendron kiusianum (Kiusianum Azalea )
Rhododendron niveum (Niveum Rhododendron)
Rhododendron oreotrephes (Oreotrephes Rhododendron)
Rhododendron ponticum (Pontic Rhododendron)
Rhododendron ponticum 'Variegatum' (Variegated Pontic Rhododendron)
Rhododendron prinophyllum (Roseshell Azalea )
Rhododendron smirnowii (Smirnow Rhododendron)
Rhododendron stenopetalum 'Linearifolium' (Spider Azalea)

Syringa

Syringa × hyacinthiflora (Early Flowering Lilac )
Syringa meyeri 'Palibin' (Palibin Meyer Lilac)
Syringa × prestoniae (Preston Lilac )
Syringa vulgaris 'Aucubaefolia' (Aucubaefolia Lilac)

Tibouchina

Tibouchina urvilleana (Princess Flower )

Vinca

Vinca minor (Dwarf Periwinkle)